Protobuf stubs update using mypy-protobuf#4785

Merged

JelleZijlstra merged 3 commits intopython:masterfrom

nipunn1313:protoc_update

Nov 25, 2020

Commits on Nov 25, 2020

Add script to generate protoc stubs using mypy-protobuf generated stubs
nipunn1313
committed
Use generate_proto_stubs to generate stubs for protobuf 3.14.0
nipunn1313
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Skip _pb2.pyi from flake8,black,isort,pytype
nipunn1313
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